食道鳞状细胞癌（大体）
2010-06-03 18:03:38   来源：   评论：0;点击：

15.This irregular reddish, ulcerated exophytic mid-esophageal mass as seen on the mucosal surface is a squamous cell carcinoma. Risk factors for esophageal squamous carcinoma include mainly smoking and alcoholism in the U.S